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Discussion Starter · #1 ·
I have I have an 09 Pontiac G6 it just started overheating but over he's very quickly I have changed the thermostat I have flushed the heater core I have checked the hoses I have checked the reservoir I just read something about gaskets crossover pipe gasket don't even know what that is yet anyone anyone I'm so tired of messing with this
 

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And I have purchased or rented the pressure tester it won't even put pressure on a tank are the reservoir no leaks just simply seems to not be circulating
 

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I hope you are letting it sit between filling the res.(as this is the only place to fill the system)so that air inside the coolant passages and radiator can bleed out. If you fill too quickly and take off running it it will overheat due to air entrapment in the system. I just replaced a stuck open T-STAT on our 08gt (3.5) last weekend.
 
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